An expression used by many, but none more than by Greto the Dorito. Oh yeah!, can imply many different things on the chain. It can express excitement, happiness, I'm the man, you da man, he's da man, this is da bomb, she's da bomb, etc.

Oh Yeah? is a verbal return to an action or more likely the oral depiction of an action (that may or may not have happened) to which the author of this phrase does not like. This is usually quite a startling way of saying "Over my dead body". Oh yeah? is 'most always followed by physical violence and expletives galore.

Traffic cop: Sir, I'm going to have to tow your car, you parked in the disabled space for two minutes.

2. the catchphrase the the Kool Aid Man says when he breaks thru a wall.

3. a hit by the legendary band Roxy Music that came out in the early 80s. The chorus refers to a song playing on a car radio that has the "rhythm of rhyming guitars" - yet ironically the Roxy Music hit song itself is more dominated by synthesizers. The song mentioned in the chorus (the one playing on the radio) is titled "Oh Yeah".

4. a 1986New Wave hit from the movie "Ferris Beuler's Day Off". It's by the band Yello.